US9137036B2 - Method and apparatus for processing event in home network - Google Patents

Method and apparatus for processing event in home network Download PDF

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Publication number
US9137036B2
US9137036B2 US12/358,431 US35843109A US9137036B2 US 9137036 B2 US9137036 B2 US 9137036B2 US 35843109 A US35843109 A US 35843109A US 9137036 B2 US9137036 B2 US 9137036B2
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Prior art keywords
notification message
service
event notification
unique
event
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Expired - Fee Related, expires
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US12/358,431
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English (en)
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US20090193438A1 (en
Inventor
Ho Jin
In-Chul Hwang
Mun-Jo Kim
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Priority to US12/358,431 priority Critical patent/US9137036B2/en
Assigned to SAMSUNG ELECTRONICS CO., LTD. reassignment SAMSUNG ELECTRONICS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HWANG, IN-CHUL, JIN, HO, KIM, MUN-JO
Publication of US20090193438A1 publication Critical patent/US20090193438A1/en
Priority to US14/835,684 priority patent/US20150365247A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1895—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for short real-time information, e.g. alarms, notifications, alerts, updates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4112—Peripherals receiving signals from specially adapted client devices having fewer capabilities than the client, e.g. thin client having less processing power or no tuning capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2838—Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders

Definitions

  • Methods and apparatuses consistent with the present invention relate to a home network, and more particularly, to notifying a device of a home network of an event when the event occurs with respect to a service that is provided to the device.
  • a home network needs various types of devices.
  • users can use various services provided by another device in the home network or an external service provider of the home network.
  • the home network is a user's area
  • a user prefers to be informed of all events that occur with respect to a service used by the user within the home network, irrespective of a type of a device currently occupied by the user.
  • the user may be notified, in real-time, of an event that occurs with regard to another device that is not occupied by the user.
  • CEA-2014 An example of a home network specification adopting such framework is the Consumer Electronics Association (CEA)-2014.
  • the CEA-2014 publishes technologies relating to the use of a service provided by another device of a home network or a server over the Internet through a remote user interface in a home electronic device, such as a digital television (TV).
  • TV digital television
  • FIG. 1 is a block diagram of explaining a related art method of notifying an event in a home network.
  • the home network is a CEA-2014 based network and the method is excerpted from the CEA-2014 specification.
  • a remote user interface client forms an RUI session with a remote user interface server (RUIS). That is, the RUIC displays a UI page of the RUIS in the format of an extensible hypertext markup language (XHTML). A user uses a service of the RUIS through the UI page.
  • RUIC remote user interface client
  • XHTML extensible hypertext markup language
  • an event occurs in a service of another RUIS and is notified of the RUIC.
  • the RUIS in which the event occurs is a 3 rd party that does not form the RUIS session with the RUIC.
  • a 3 rd party event handler of the RUIC invokes an XHTML browser.
  • the XHTML browser browses the XHTML page including an event from the 3 rd party through an HTTP GET instruction.
  • a uniform resource locator (URL) of the XHTML page including the event is contained in an event notification page that the 3 rd party transmits to the RUIC in operation 1.
  • FIG. 2 is a diagram for explaining a problem of the related art method.
  • devices of a home network 210 use an Internet Protocol Multimedia Subsystem (IMS) based service of an IMS network 220 through an IMS gateway 211 that functions as an RUIS.
  • the IMS network 220 which is a network under the specification suggested by a 3 rd Generation Partnership Project (3GPP), provides a variety of packet based services, such as an instant messenger, a voice over Internet protocol (VoIP), a conference call, etc.
  • a session for the IMS based service is managed by a call session control function (CSCF) server 221 .
  • CSCF call session control function
  • a user authentication is necessary for establishing the session.
  • a digital TV 212 which functions as an RUIC 1 , is in a VoIP incoming notification service of the IMS gateway 211 , and even if a personal media player (PMP) 213 , which functions as an RUIC 2 , is not authorized for the IMS based service, a VoIP incoming occurs. Since only the digital TV 212 is authorized for the VoIP incoming notification service, the digital TV 212 should not share information regarding the VoIP incoming notification service with other devices of the home network 210 . However, as described above, when the home network 210 follows a 3 rd party event notification, since all events are multi-casted, the PMP 213 is notified of an event of the VoIP incoming.
  • an event notification message may interrupt the person who sees a movie through the PMP.
  • the related art method has a problem that an event is notified of devices that do not request a corresponding service when the event relating to a service occurs in a home network where a 3 rd party event is notified by means of multicast.
  • the present invention provides a method and apparatus for notifying a specific device for requesting a service of an event when the event relating to the service occurs in a home network.
  • a method of notifying a second device of an event by a first device in a home network comprising: generating mapping information which relates information regarding a service the second device has requested from the first device to an identifier (ID) of the second device; when an event occurs in the service, generating an event notification message including the ID of the second device by referring to the mapping information; and multicasting the event notification message to devices of the home network.
  • mapping information which relates information regarding a service the second device has requested from the first device to an identifier (ID) of the second device
  • ID identifier
  • the method may further comprise: based on whether the service requires a user authentication, generating importance information indicating whether the devices of the home network need to refer to the ID of the second device included in the event notification message, wherein the event notification message further comprises the importance information.
  • the home network may abide by the CEA-2014 specification, the first device may be an RUIS, and the second device may be an RUIC.
  • the service may be an IMS service
  • the first device may be an IMS gateway that provides the home network with the IMS service.
  • a computer readable recording medium having a recorded program for executing the method.
  • an apparatus for notifying a second device of an event by a first device in a home network comprising: a mapping information generating unit which generates mapping information which relates information regarding a service that the second device has requested from the first device to an ID of the second device; an event notification message generating unit which generates an event notification message including the ID of the second device by referring to the mapping information when an event occurs in the service; and an event notifying unit which multicasts the event notification message to devices of the home network.
  • the apparatus may further comprise: an importance information generating unit, which, based on whether the service requires a user authentication, generates importance information indicating whether the devices of the home network need to refer to the ID of the second device included in the event notification message, wherein the event notification message further comprises the importance information.
  • an importance information generating unit which, based on whether the service requires a user authentication, generates importance information indicating whether the devices of the home network need to refer to the ID of the second device included in the event notification message, wherein the event notification message further comprises the importance information.
  • a method of receiving an event by a first device from a second device that provides a predetermined service in a home network comprising: transmitting an ID of the first device to the second device through a message requesting the predetermined service; extracting importance information indicating whether devices of the home network need to refer to a device ID included in an event notification message that is multicasted by the second device from the event notification message; and determining whether to accept the event notification message irrespective of the device ID included in the event notification message based on the importance information.
  • the method may further comprise: extracting the device ID from the event notification message when it is determined that it is necessary to refer to the device ID included in the event notification message; comparing the extracted device ID with an ID of the first device; and selectively discarding the event notification message based on the comparison result.
  • an apparatus for receiving an event by a first device from a second device that provides a predetermined service in a home network comprising: a service requesting unit which transmits an ID of the first device to the second device through a message requesting the predetermined service; an importance information extracting unit which extracts importance information indicating whether devices of the home network need to refer to a device ID included in an event notification message that is multicasted by the second device from the event notification message; and a determining unit which determines whether to accept the event notification message irrespective of the device ID included in the event notification message based on the importance information.
  • FIG. 1 is a block diagram of explaining a related art method of notifying an event in a home network
  • FIG. 2 is a diagram for explaining a problem of the related art method
  • FIG. 3 is a flowchart illustrating a method of notifying an event according to an exemplary embodiment of the present invention
  • FIG. 4 is a flowchart illustrating a process of notifying an event according to an exemplary embodiment of the present invention
  • FIG. 5 is a flowchart illustrating a process of receiving an event notification message according to an exemplary embodiment of the present invention.
  • FIG. 6 is a block diagram of two devices of a home network according to an exemplary embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a method of notifying an event according to an exemplary embodiment of the present invention.
  • an RUIC 1 transmits a service request message to an RUIS.
  • the service request message includes a device ID of the RUIC 1 .
  • a service may be provided from the inside of a home network or from the outside of the home network.
  • the RUIS uses authentication information included in the service request message to perform a user authentication.
  • the RUIS generates mapping information which relates the service information regarding the requested service to the device ID of the RUIC 1 .
  • the RUIS and the RUIC 1 form a session for the service, i.e. an RUI session.
  • an event occurs in the service requested by the RUIC 1 .
  • the RUIS In operation 305 , the RUIS generates an event notification message by referring to the mapping information. In more detail, the RUIS searches for a device ID that requests the service in which the event occurs, and includes the device ID in the event notification message.
  • the RUIS multicasts the event notification message to devices RUIC 1 to RUIC n of the home network.
  • the RUIC 1 extracts a device ID from the event notification message and compares the extracted ID of the device with the device ID of the RUIC 1 .
  • the RUIC that confirms that the device ID included in the event notification message is identical to the device ID of the RUIC 1 uses an HTTP GET instruction to obtain an event XHTML document from the RUIS.
  • the RUIC 1 displays the event XHTML document to notify the user of the event.
  • other RUICs extract a device ID from the event notification message and compare the device ID with each device ID of other RUICs.
  • other RUICs confirm that the device ID included in the event notification message is not identical to each device ID of other RUICs, and discard the event notification message.
  • a framework in which an event is notified by multicast does not change, and a device ID included in an event notification message is used to notify a specific device related to a service in which an event occurs, of the event.
  • FIG. 4 is a flowchart illustrating a process of notifying an event according to an exemplary embodiment of the present invention. The process is performed by a first device that provides a second device with a service in a home network.
  • the first device receives a service request message from the second device.
  • the first device extracts a device ID from the service request message.
  • the extracted device ID is an ID of the second device.
  • the first device generates mapping information by mapping information regarding a service requested by the second device to the device ID of the second device.
  • mapping information is used to search for a device ID of a device that requests the service.
  • the first device In operation 420 , the first device generates an event notification message including the device ID of the device that requests the service and importance information.
  • the first device multicasts the event notification message to the home network (operation 435 ), and all devices of the home network accept the event notification message irrespective of the device ID contained in the event notification message.
  • the service in which the event occurs requires the user authentication (YES in operation 425 )
  • the importance information is inserted in the event notification message (operation 430 ), and the first device multicasts the event notification message to the home network (operation 435 ). All devices of the home network compare the device ID contained in the event notification message with IDs of the devices, and when the device ID is not identical to IDs of the devices, the event notification message is discarded.
  • the importance information indicates whether devices accept the event notification message irrespective of the device ID included in the event notification service depending on whether the service in which the event occurs requires the user authentication.
  • FIG. 5 is a flowchart illustrating a process of receiving an event notification message according to an exemplary embodiment of the present invention. The process is performed by a second device that receives a service from a first device in a home network.
  • the second device transmits an ID thereof to the first device through a service request message.
  • the second device receives an event notification message that is multicasted by the first device.
  • the receiving of the event notification message does not mean the accepting of the event notification message but means that a signal indicating the event notification message physically arrives at the second device in view of the characteristics of a wireless medium.
  • the second device extracts importance information from the event notification message.
  • the second device determines whether to refer to a device ID included in the event notification message based on the importance information. If the second device determines that it is unnecessary to refer to the device ID included in the event notification message based on the importance information, in operation 530 , the second device accepts the event notification message.
  • the second device determines that it is necessary to refer to the device ID included in the event notification message based on the importance information, in operation 520 , the second device extracts the device ID from the event notification message.
  • the second device compares the device ID extracted from the event notification message with the ID of the second device in order to determine whether the device ID extracted from the event notification message is identical to the ID of the second device. If the device ID extracted from the event notification message is identical to the ID of the second device, the second device proceeds to operation 530 .
  • the second device discards the event notification message.
  • FIG. 6 is a block diagram of a device 600 (hereinafter referred to as “first device”) that notifies an event and a device 650 (hereinafter referred to as “second device”) that receives an event notification message in a home network according to an exemplary embodiment of the present invention.
  • the first device 600 comprises a service providing unit 601 , an importance information generating unit 602 , a mapping information generating unit 603 , an event notification message generating unit 604 , and an event notifying unit 605 .
  • the service providing unit 601 receives a service request message that requests a service of the first device 600 from the second device 650 .
  • the requested service may be provided from the outside of the home network.
  • the first device 600 functions as a home network gateway with regard to the service.
  • the service request message includes an ID of the second device 650 .
  • the importance information generating unit 602 analyzes the service request message and generates importance information based on whether the service requested by the second device 650 requires a user authentication.
  • the mapping information generating unit 603 analyzes the service request message and generates mapping information by mapping information regarding the requested service to the ID of the second device 650 .
  • the event notification message generating unit 604 generates an event notification message including an ID of a corresponding device and the importance information based on the mapping information when an event occurs with regard to a service provided by the first device 600 to the home network.
  • the event notifying unit 605 multicasts the event notification message that is generated by the event notification message generating unit 604 to devices of the home network.
  • the second device 650 comprises a service requesting unit 651 , an importance information extracting unit 652 , a determining unit 653 , a device ID extracting unit 654 , a comparing unit 655 , and a message processing unit 656 .
  • the service requesting unit 651 generates a service request message for requesting a service of the first device 600 and transmits the service request message to the first device 600 .
  • the service request message includes an ID of the second device 650 .
  • the importance information extracting unit 652 extracts importance information from the event notification message that is multicasted by the first device 600 .
  • the determining unit 653 analyzes the extracted importance information and determines whether to extract a device ID from the event notification message, i.e., whether to refer to the device ID in order to accept the event notification message.
  • the device ID extracting unit 654 extracts the device ID from the event notification message when the determining unit 653 determines that it is necessary to refer to the device ID.
  • the comparing unit 655 compares the device ID extracted from the event notification message by the device ID extracting unit 654 with the ID of the second device 650 .
  • the message processing unit 656 accepts the event notification message when the determining unit 653 determines that it is unnecessary to refer to the device ID. Also, when the device ID extracted from the event notification message is identical to the ID of the second device 650 based on the comparison result of the comparing unit 655 , the message processing unit 656 accepts the event notification message. When the event notification message is accepted, the message processing unit 656 performs a routine relating to the occurrence of an event according to a general procedure.
  • the message processing unit 656 discards the event notification message.
  • the present invention can also be embodied as computer readable code on a computer readable recording medium.
  • the computer readable recording medium is any data storage device that can store data which can be thereafter read by a computer system.
  • Examples of the computer readable recording medium include read-only memory (ROM), random-access memory (RAM), CD-ROMs, magnetic tapes, floppy disks, optical data storage devices.
  • ROM read-only memory
  • RAM random-access memory
  • CD-ROMs compact disc-read only memory
  • magnetic tapes magnetic tapes
  • floppy disks optical data storage devices.
  • the present invention can also be embodied as computer readable code on a computer readable transmission media, such as carrier waves.
  • the user since an event that is not related to a service that is currently used by a user is displayed on a device in a home network, the user is not interrupted while using the current service, and, when a service requires authentication, it is possible to prevent information relating to the service from being shared with all devices of the home network that are not authorized for the service.
US12/358,431 2008-01-25 2009-01-23 Method and apparatus for processing event in home network Expired - Fee Related US9137036B2 (en)

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US12/358,431 US9137036B2 (en) 2008-01-25 2009-01-23 Method and apparatus for processing event in home network
US14/835,684 US20150365247A1 (en) 2008-01-25 2015-08-25 Method and apparatus for processing event in home network

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US2364208P 2008-01-25 2008-01-25
KR1020080058019A KR101582084B1 (ko) 2008-01-25 2008-06-19 홈 네트워크에서 이벤트를 처리하는 방법 및 이를 위한장치
KR10-2008-0058019 2008-06-19
US12/358,431 US9137036B2 (en) 2008-01-25 2009-01-23 Method and apparatus for processing event in home network

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US9137036B2 true US9137036B2 (en) 2015-09-15

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EP (1) EP2237543A4 (ko)
KR (1) KR101582084B1 (ko)
CN (1) CN101926161B (ko)
WO (1) WO2009093839A2 (ko)

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US20150365247A1 (en) 2015-12-17
WO2009093839A2 (ko) 2009-07-30
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